What is CVE-2026-23081?

CVE-2026-23081 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 6.13 onward and patched in 6.18.8 and 6.19. CVE-2026-23081 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2026-23081?

CVE-2026-23081 has a CVSS score of 5.5 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2026-23081?

Yes, CVE-2026-23081 has been patched. Fixed versions include 6.18.8 and 6.19. If you are running Linux kernel 6.13 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2026-23081 actively exploited?

CVE-2026-23081 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2026-23081

Medium

In the Linux kernel, the following vulnerability has been resolved: net: phy: intel-xway: fix OF node refcount leakage Automated review spotted am OF node reference count leakage when checking if the 'leds' child node exists. Call of_put_node() to correctly maintain the refcount.

Package Linux Kernel

Published 2026-02-04

Last modified 2026-03-18

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

5.5

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected versions

Linux kernel versions 6.13 and later are affected. Fixed in 6.18.8, 6.19 and their respective stable series.

Affected from

≥ 6.13

Fixed in

✓ 6.18.8 6.18.x ✓ 6.19

References

The following references provide additional information about CVE-2026-23081 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel patch commit
https://git.kernel.org/stable/c/1f24dfd556401b75f78e8d9cbd94dd9f31411c3a
Patch
Kernel patch commit
https://git.kernel.org/stable/c/79912b256e14054e6ba177d7e7e631485ce23dbe
Patch

Details

CVE ID CVE-2026-23081

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2026-02-04

Modified 2026-03-18

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2026-23081?

CVE-2026-23081 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 6.13 onward and has been patched in 6.18.8 and 6.19. CVE-2026-23081 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2026-23081?

CVE-2026-23081 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2026-23081?

Yes — CVE-2026-23081 has been patched. Fixed versions include 6.18.8 and 6.19. If you are running Linux kernel 6.13 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2026-23081 actively exploited?

No — CVE-2026-23081 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.